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Ravinder Ghanghas

Mar 9, 2014

#### periodic table 1 to 30 plz give me with atmoic no. mass valency neutron proton and electronic configrution



sir these are given in book i want 21 to 30

Nov 26, 2014

#### WHAT IS THE POSTULATES OF RUTHERFORD'S ATOMIC THEORY?



Postulates of Rutherford nuclear model:
• Positive charge is concentrated in the center of the atom, called nucleus.
• Electrons revolve around the nucleus in ...

Jaya

Nov 15, 2013

#### what are isotopes and isobars ? with examples and in simple Language



Ans:  Isotopes: The atoms which posses same atomic number (the atoms same element) but different mass number are called Isotopes.
Ex:

Kanishka Tayal

Feb 28, 2014



Ans:

## Ans:

According to JJ Thomson’s atomic model.
• An atom is a positively charg...

BAISHALI Rath

Mar 11, 2015



Ans:
Draw backs of

Harleen Kaur

Feb 23, 2014

#### pls answer fst



As because gold is very highly malleable then other if any other metal sheet is used the experiment is quite succesful

Archit Chauhan

Jan 23, 2015

#### What is covalency and electrovalency?



Ans: Covalency: The number of electrons that an atom can shared to get ...

Prashoon Chandrakar

Feb 19, 2015

#### Examples of  isotopes and isobars.



Examples of Isotopes:
Isotopes of Hydrogen- Hydrogen – 1, Hydrogen – 2, Hydrogen - 3

Isotopes of Oxygen – Oxygen -16, Oxygen -17, Oxygen -18

Isotopes of Carbon &#...

Mar 21, 2015

#### a)Calculate molar mass of S8. b) Convert into mole : i) 12 gram of oxygen gas ii) 32 gram of oxygen



a) Sulphur is a poly atomic molecule. It is made up of 8 sulphur atoms.

Anusha

Dec 25, 2013

#### which is the element having 8protons, 8 neutrons&8 electrons?



oxygen

Ravinder Ghanghas

Mar 9, 2014

#### periodic table 1 to 30 plz give me with atmoic no. mass valency neutron proton and electronic configrution



sir these are given in book i want 21 to 30

Nov 26, 2014

#### WHAT IS THE POSTULATES OF RUTHERFORD'S ATOMIC THEORY?



Postulates of Rutherford nuclear model:
• Positive charge is concentrated in the center of the atom, called nucleus.
• Electrons revolve around the nucleus in ...

Jaya

Nov 15, 2013

#### what are isotopes and isobars ? with examples and in simple Language



Ans:  Isotopes: The atoms which posses same atomic number (the atoms same element) but different mass number are called Isotopes.
Ex:

Kanishka Tayal

Feb 28, 2014



Ans:

## Ans:

According to JJ Thomson’s atomic model.
• An atom is a positively charg...

BAISHALI Rath

Mar 11, 2015



Ans:
Draw backs of

Harleen Kaur

Feb 23, 2014

#### pls answer fst



As because gold is very highly malleable then other if any other metal sheet is used the experiment is quite succesful

Archit Chauhan

Jan 23, 2015

#### What is covalency and electrovalency?



Ans: Covalency: The number of electrons that an atom can shared to get ...

Prashoon Chandrakar

Feb 19, 2015

#### Examples of  isotopes and isobars.



Examples of Isotopes:
Isotopes of Hydrogen- Hydrogen – 1, Hydrogen – 2, Hydrogen - 3

Isotopes of Oxygen – Oxygen -16, Oxygen -17, Oxygen -18

Isotopes of Carbon &#...

Mar 21, 2015

#### a)Calculate molar mass of S8. b) Convert into mole : i) 12 gram of oxygen gas ii) 32 gram of oxygen



a) Sulphur is a poly atomic molecule. It is made up of 8 sulphur atoms.

Anusha

Dec 25, 2013



oxygen

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